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#!/bin/sh -e
# Find "real" keyboard devices and print their device path.
# Author: Martin Pitt <martin.pitt@ubuntu.com>
#
# Copyright (C) 2009, Canonical Ltd.
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
# print a list of input devices which are keyboard-like
keyboard_devices() {
input_devs=`udevadm trigger --dry-run --verbose --subsystem-match=input --attr-match=dev`
# standard AT keyboard
for dev in $input_devs; do
walk=`udevadm info --attribute-walk --path=$dev`
env=`udevadm info --query=env --path=$dev`
if echo "$walk" | grep -q 'DRIVERS=="atkbd"'; then
echo -n 'AT keyboard: '
udevadm info --query=name --path=$dev
fi
if echo "$env"| grep -q '^ID_CLASS=kbd' && echo "$env" | grep -q '^ID_USB_DRIVER=usbhid'; then
echo -n 'USB keyboard: '
udevadm info --query=name --path=$dev
fi
done
# modules
module=`udevadm trigger --verbose --dry-run --subsystem-match=input --attr-match=name='*Extra Buttons'`
module="$module
`udevadm trigger --verbose --dry-run --subsystem-match=input --attr-match=name='Sony Vaio Keys'`"
for m in $module; do
evdev=`ls -d $m/event* 2>/dev/null`
if [ -e "$evdev/dev" ]; then
echo -n 'module: '
udevadm info --query=name --path=$evdev
fi
done
}
keyboard_devices
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